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Record No: CB 120986    Version: 1 Council Bill No: CB 120986
Type: Council Bill (CB) Status: In Committee
Current Controlling Legislative Body Sustainability, City Light, Arts and Culture Committee
On agenda: 6/6/2025
Ordinance No:
Title: AN ORDINANCE relating to the City Light Department; authorizing the execution of an indefeasible right of use fiber sharing agreement with Ziply Fiber Pacific, LLC for an effective period of up to two 15-year terms.
Sponsors: Alexis Mercedes Rinck
Attachments: 1. Att A - Indefeasible Right of Use Agreement Between Ziply Fiber Pacific, LLC and Seattle City Light
Supporting documents: 1. Summary and Fiscal Note, 2. Presentation, 3. Central Staff Memo
CITY OF SEATTLE
ORDINANCE __________________
COUNCIL BILL __________________
title
AN ORDINANCE relating to the City Light Department; authorizing the execution of an indefeasible right of use fiber sharing agreement with Ziply Fiber Pacific, LLC for an effective period of up to two 15-year terms.
body
WHEREAS, the City Light Department ("Department") transmits critical electrical system operating information along a fiber network it owns extending from its Skagit generating facility to its Bothell substation ("Skagit Line"); and
WHEREAS, the Department seeks to improve the reliability of its Skagit Line by accessing a redundant pathway available to the Department at all times, but most importantly, in the event the Skagit Line is damaged or otherwise fails; and
WHEREAS, Ziply Fiber Pacific, LLC ("Ziply") owns a fiber network extending from Marblemount, Washington to the Department's Bothell switchyard ("Ziply Line") which the Department has determined could be used as a redundant network to the Skagit Line; and
WHEREAS, accessing the Ziply Line as a redundant network to the Skagit Line is best achieved by an agreement between the Department and Ziply that requires granting access of the lines they each own and maintain to the other party for up to two 15-year terms; and
WHEREAS, Ziply and the Department will each be required to undertake certain modifications to their networks to enable them to be accessed by the other party and both parties are willing to undertake this work as part of the agreement. The cost to the Department to undertake these modifications is not expected to require additional budget authority; and
WHEREAS, the sharing of fiber pathways, as contemplated under this agreement, will not compromise the Department's security as there will be no interconnection between the two systems. Fiber strands carrying information will be exclusively dedicated to Ziply or the Department and will terminate in devices owned and independently maintained by ea...

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